Plant Hormones Flashcards
1
Q
What does auxin do?
A
it controls the growth of plants in roots and shoots
2
Q
What do auxins do in roots?
A
they inhibit growth
3
Q
What do auxins do in shoots?
A
they promote growth
4
Q
What is Gravitropism?
A
Roots growing in the direction of gravity
5
Q
What is Phototropism?
A
Shoots growing towards light
6
Q
Name 3 Uses of Auxin
A
Weed Killers, Rooting powders, Tissue culture
7
Q
Name two uses of Gibberellin?
A
Dormancy,Delaying Ripening
8
Q
What does Ethene do?
A
speeds up ripening of fruits and controls cell division
9
Q
What does Gibberellin do?
A
Plant growth hormone that stimulates germination, flowering and growth of stems
10
Q
When does Germination occur?
A
It occurs when a new plant grows out from a seed
